That’s an interesting approach but inside the code block all formatting is gone, so I’ll stick with the “quotless” quote 
as indented lists in bullet blocks work fine.
Edit: I can “hack” it somehow so it still renders nice in markdown-compliant renderers as well as in Logseq by using the unicode “2004” via this method and then I insert 4 spaces after the unicode blank character. This way Logseq doesn’t remove the blank spaces at the begining of the line and renders somewhat okish:
But also kind of breaks the markdown and looks the same in VSCode:
